image.estim.regul creates an image map of the matrix
object$mat containing the cross-validation
score obtained by the estim.regul function.
Also a color scales strip is plotted.
data(nutrimouse)
X <- nutrimouse$lipid
Y <- nutrimouse$gene
## this can take some secondscv.score <- tune.rcc(X, Y, validation = "Mfold", plt = FALSE)
image(cv.score)